Tending to your body with love (and frequent bouts of exercise) is a lot like being affectionate with your children: the more attention you pay to building a lean body now, the more likely it is that it'll pay you back with the same care later on in life.

Invest in your retirement fund now by learning this deadweight lift with dumbbells. The beginner level exercise lifts, nips, and tucks glutes and hamstrings and can be done by even the klutziest of klutzes, since it requires only that you bend your back up and down holding weights.